It was created by order of the Ministry of Industry and Energy on 26 February 1986, in accordance with the Royal Decree 1614/1985 and was recognized as a standardization organization and as an entity of certification by Royal decree 2200/1995, following the law 21/1992 of industry.

A year later, AENOR assumed the representation of Spain before the European organizations (CENELEC, ETSI) and international (ISO, IEC).

Nowadays, AENOR has more than 200 technical standards committees involving nearly 6,000 experts in the field.

Any entity that has interest in the develop of the standardization or certification can be member of AENOR, because of its associative character.

Today, It has more than 800 members, among them are the main business associations, some of the first Spanish companies and a good representation of Public Administrations.